A triathlon consisting of swimming, cycling, and running is one of the more stre

Question

A triathlon consisting of swimming, cycling, and running is one of the more strenuous amateur sporting events. An article reports on a research study in during performance of each of the three events. For swimming, the sample mean and sample standard deviation were 187.0 and 7.2, respectively. Assuming that the heart-rate distribution is (approximately) normal, construct a 98% CI for true mean heart rate of triathletes while swimming. (Round your answers to one decimal place.) volving sixteen male triathletes. Maximum heart rate (beats/min) was recorded beats/min

Explanation / Answer

The statistical software output for this problem is:

One sample T summary confidence interval:
: Mean of population

98% confidence interval results:

Hence,

98% confidence interval will be:

(182.3, 191.7)

Mean Sample Mean Std. Err. DF L. Limit U. Limit 187 1.8 15 182.31554 191.68446

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